Staggered and crossed heat storage adsorption bed and seawater desalination waste heat storage system

Abstract

A staggered and crossed heat storage adsorption bed and a seawater desalination waste heat storage system are provided, which relate to the field of seawater desalination and the technical field of thermochemical adsorption heat storage. The adsorption bed includes a bed body, wherein an adsorption cavity is arranged in the bed body; two sides of the adsorption cavity are respectively communicated with an inlet cavity and an outlet cavity; the adsorption cavity includes a vacuum heat insulation layer arranged at an outermost side; the vacuum heat insulation layer is embedded with an adsorption box fixing layer; a corner end adsorption box, a central adsorption box and a side adsorption box are staggered and crossed arranged in an inner cavity of the vacuum heat insulation layer through the adsorption box fixing layer.

What is claimed is: 
     
       1. A staggered and crossed heat storage adsorption bed, comprising a bed body, wherein an adsorption cavity is arranged in the bed body; two sides of the adsorption cavity are respectively communicated with an inlet cavity and an outlet cavity; the adsorption cavity comprises a vacuum heat insulation layer arranged at an outermost side; and the vacuum heat insulation layer is embedded with an adsorption box fixing layer inside;
 a corner end adsorption box, a central adsorption box and a side adsorption box are staggered and crossed arranged in an inner cavity of the vacuum heat insulation layer through the adsorption box fixing layer; and the corner end adsorption box, the central adsorption box and the side adsorption box are all used for filling adsorption substrates; 
 the adsorption cavity comprises a dry-hot gas first enters a first layer adsorption formed by the corner end adsorption box and the central adsorption box from the inlet cavity, and then diffuses along an airflow direction to enter a second layer adsorption formed by the side adsorption box; the first layer adsorption and the second layer adsorption adjacent to it form an adsorption group; the dry-hot gas flows out of the outlet cavity after circulating and alternating through a plurality of adsorption groups; 
 the adsorption box fixing layer comprises a plurality of baffles perpendicular to an inner wall of the vacuum heat insulation layer; and 
 the inner cavity of the vacuum heat insulation layer is a regular polygon structure; the corner end adsorption box is arranged at an included angle of adjacent inner walls of the vacuum heat insulation layer, and the corner end adsorption box is fixedly arranged between two baffles with the shortest distance between the adjacent inner walls of the vacuum heat insulation layer; a shared side of a plurality of corner end adsorption boxes closest to the center of the inner cavity of the vacuum heat insulation layer is fixedly provided with the central adsorption box through the baffle; and the central adsorption box and the corner end adsorption boxes are arranged on a same end face; a peripheral wall of the central adsorption box is sequentially staggered and crossed with a side adsorption box through the baffles; each side of the corner end adsorption box, the central adsorption box and the side adsorption box is a hollow metal mesh surface. 
 
     
     
       2. The staggered and crossed heat storage adsorption bed according to  claim 1 , wherein the vacuum heat insulation layer is composed of a double-layer stainless steel structure, and a middle cavity of the double-layer stainless steel is under vacuum negative pressure. 
     
     
       3. The staggered and crossed heat storage adsorption bed according to  claim 1 , wherein air first enters the first layer adsorption formed by the corner end adsorption box and the central adsorption box from the inlet cavity, then enters the second layer adsorption formed by the side adsorption box, and flows out of the outlet cavity after circulating and alternating through a plurality of groups. 
     
     
       4. A seawater desalination waste heat storage system, comprising a solar seawater distiller, a condenser, a condensed water storage device, an atomizer and an adsorption bed; wherein the adsorption bed is a staggered and crossed heat storage adsorption bed as claimed in  claim 1 . 
     
     
       5. The seawater desalination waste heat storage system according to  claim 4 , wherein a front end of the solar seawater distiller is fixedly connected with a first fan, and a tail end of the solar seawater distiller is communicated with a front end of the condenser; a front end outside a condenser tube of the condenser is also communicated with a second fan; and an outside tail end of the condenser tube of the condenser is communicated with the inlet cavity of the adsorption bed through a first pipeline; and
 the condenser tube of the condenser extends into the condensed water storage device; the condensed water storage device is communicated with the atomizer through a switch valve; and the atomizer is communicated with the inlet cavity of the adsorption bed through a second pipeline. 
 
     
     
       6. The seawater desalination waste heat storage system according to  claim 5 , wherein a first flow regulating valve and a first flowmeter are arranged on the first pipeline. 
     
     
       7. The seawater desalination waste heat storage system according to  claim 5 , wherein a second flow regulating valve and a second flowmeter are arranged on the second pipeline.